What Powers Prague Clock?

By Anna Duncan

What Powers Prague Clock?

The Prague Clock, also known as the Astronomical Clock, is an ancient marvel located in the heart of Prague, Czech Republic. This iconic clock, dating back to the 15th century, has been a symbol of the city’s rich history and technical prowess.

But have you ever wondered what powers this magnificent timekeeping device? Let’s dive into the fascinating mechanisms that make this clock tick.

The Mechanical Heart

At the core of the Prague Clock lies a complex mechanical system that drives its various functions. It consists of several key components:

  • The Escapement Mechanism: This ingenious mechanism controls the release of energy from the clock’s weight or spring. It ensures that the clock moves in a precise and controlled manner.
  • The Gear Train: Comprising a series of interlocking gears, this system transmits power from the escapement to other parts of the clock.

    It regulates the movement of hour hands, minute hands, and other indicators on the clock face.

  • The Pendulum: A swinging pendulum acts as a regulator for the clock’s timing. Its length determines how fast or slow the clock runs.

The Power Source

The Prague Clock relies on mechanical energy to function. Originally powered by large weights suspended by ropes or chains, it was manually wound every day to keep it running accurately. Today, however, an electric motor discreetly hidden within its structure powers this grand timepiece.

Astronomical Features

Besides displaying time with precision, the Prague Clock also showcases astronomical information:

  • Sun Position: The clock displays the position of the sun in the sky, indicating whether it is before noon or afternoon.
  • Zodiac Signs: Twelve zodiac signs are shown on a rotating disk, depicting the current astrological month.
  • Lunar Cycle: The clock also tracks the phases of the moon, displaying whether it is a new moon, full moon, or something in between.

The Chiming Melodies

No clock is complete without its distinct chimes. The Prague Clock features a musical mechanism that plays a charming melody every hour. Additionally, small figurines known as “The Walk of the Apostles” come to life and parade through windows above the clock face during this hourly spectacle.

In Conclusion

The Prague Clock is not just a timekeeping device; it is a magnificent work of art and engineering. Its mechanical heart, powered by an electric motor, keeps time with precision while incorporating astronomical features and delightful melodies. If you ever find yourself in Prague, make sure to witness this remarkable piece of history and marvel at its intricate workings.